Fulltone Ultimate Octave
Update 201015 Upadated with a new layout with capacitors for the tone switch placed on the board.
Unverified
Korg DST-1
Here’s the correct layout for the Korg DST-1 that I previously laid out based on an unverified schematic. It uses an AN360 audio pre-amplifier chip (you can still get some on eBay), but I haven’t found a replacement other than making a discrete version of the chip. A discrete version wouldn’t take up that much … Read more
